Which subatomic particle(s) are found in the nucleus of the atom? Enter the subatomic particle or particles separated by commas.

Chemistry & Chemical Reactivity
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Chapter2: Atoms Molecules And Ions
Section: Chapter Questions
Problem 154GQ: Mass spectrometric analysis showed that there are four isotopes of an unknown element having the...
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Atomic mass
units
Electrical charge
(C)
Mass
Relative
Particle
(g)
charge
electron
9.109 x 10 28
0.0005486
-1.602 x 1019
- 1
proton
1.673 x 10-24
1.007276
+1.602 x 10- 19
+1
neutron
1.675 x 10-24
1.008665
The atomic number Z is the number of protons in the nucleus of an atom of an element. Each element has a unique number of protons. For example, an atom with 47 protons is
always a silver atom and has an atomic number of 47. The atomic number is used to distinguish different elements from one another.
The mass number A is the sum of the number of protons and neutrons in the nucleus of an atom of an element. Atoms that have the same atomic number but different mass
numbers are called isofopes. For example, all atoms with atomic number 8 are carbon atoms, but carbon atoms with mass numbers of 12 and 13 are isotopes of one another.
Each element is assigned a unique chemical symbol. For example, the symbol for hydrogen is H. and the symbol for oxygen is 0. Some elements have symbols based on their
names in languages other than English. For example, the symbol for iron is Fe. which is based on the Latin ferrum.
The atomic number, mass number, and chemical symbol are often combined to describe a given atom. For example, an atom of lithium (Li) with atomic number 3 and a mass
number of 7 could be written Li. Since the atomic number and the symbol are both unique t
given element, the atomic number is often left off of this notation,
'Li.
Part A
Which subatomic particle(s) are found in the nucleus of the atom?
Enter the subatomic particle or particles separated by commas.
Transcribed Image Text:Atomic mass units Electrical charge (C) Mass Relative Particle (g) charge electron 9.109 x 10 28 0.0005486 -1.602 x 1019 - 1 proton 1.673 x 10-24 1.007276 +1.602 x 10- 19 +1 neutron 1.675 x 10-24 1.008665 The atomic number Z is the number of protons in the nucleus of an atom of an element. Each element has a unique number of protons. For example, an atom with 47 protons is always a silver atom and has an atomic number of 47. The atomic number is used to distinguish different elements from one another. The mass number A is the sum of the number of protons and neutrons in the nucleus of an atom of an element. Atoms that have the same atomic number but different mass numbers are called isofopes. For example, all atoms with atomic number 8 are carbon atoms, but carbon atoms with mass numbers of 12 and 13 are isotopes of one another. Each element is assigned a unique chemical symbol. For example, the symbol for hydrogen is H. and the symbol for oxygen is 0. Some elements have symbols based on their names in languages other than English. For example, the symbol for iron is Fe. which is based on the Latin ferrum. The atomic number, mass number, and chemical symbol are often combined to describe a given atom. For example, an atom of lithium (Li) with atomic number 3 and a mass number of 7 could be written Li. Since the atomic number and the symbol are both unique t given element, the atomic number is often left off of this notation, 'Li. Part A Which subatomic particle(s) are found in the nucleus of the atom? Enter the subatomic particle or particles separated by commas.
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